Angular Contact Ceramic Ball Bearing H7001C-2RZ HQ1
The H7001C-2RZ HQ1 is an advanced hybrid angular contact ball bearing engineered for high-frequency spindle applications. By combining high-carbon chrome steel rings with aerospace-grade Silicon Nitride (Si3N4) ceramic balls, this bearing achieves a limiting speed of 96,000 RPM with grease lubrication. The ceramic ball material offers superior hardness and significantly lower thermal expansion than steel, resulting in reduced friction, lower operating temperatures, and increased stiffness. With a 12mm bore and 28mm outside diameter, it provides a slightly higher load rating (3.8 KN Basic Dynamic Load) than its H7000 counterparts, making it ideal for precision routers and high-speed dental tools.
- Hybrid design with Silicon Nitride (Si3N4) Ceramic Balls
- 12mm Bore x 28mm OD x 8mm Width
- High-speed 2RZ non-contact shielding
- 96,000 RPM Grease Limiting Speed
- Increased 3.8 KN Dynamic Load Rating
- Advanced P4 Grade precision for spindle accuracy
Comparative Technical Spindle Motor Configurations Matrix
Use the structural data catalog matrix below to evaluate power outputs, maximum RPM, operating voltages, and cooling styles across standard TriQuench CNC spindle models.
| Spindle Capacity | Operating Speed | Operating Voltage | Cooling System |
|---|---|---|---|
| 12.0 kW | 18,000 RPM | 380 V | Water-Cooled |
| 0.8 kW | 24,000 RPM | 220 V | Air-Cooled (Long Shaft) |
| 3.7 kW | 40,000 RPM | 380 V | Water-Cooled ISO20 |
| 9.0 kW | 18,000 RPM | 380 V | Air-Cooled |
Technical Specifications
| Technical Parameter | Engineering Specification Value |
|---|---|
| MECHANICAL | weight: approx 0.02 kg | sealingType: 2RZ (Non-contact) | precisionClass: P4 / HQ1 |
| INSIDE DIAMETER | 12 mm |
| OUTSIDE DIAMETER | 28 mm |
| WIDTH DIMENSION | 8 mm |
| MAX SPEED GREASE | 96000 RPM |
| BASIC LOAD RATING CR | 3.8 KN |
| BASIC LOAD RATING COR | 1.7 KN |
| BEARING TYPE | Angular Contact Hybrid Ceramic |
| BALL MATERIAL | Silicon Nitride (Si3N4) |
| RING MATERIAL | Chrome Steel (GCR15) |
Industrial Applications
| Usage Scenario | Target Industry |
|---|---|
| High-Frequency Electric Spindles | Precision Engineering and Tooling |
| Precision Dental and Surgical Tools | Medical and Dental Equipment Manufacturing |
| CNC Router and Engraving Spindles | Aerospace and Defense |
| Aerospace Gyroscopes and Centrifuges | Semiconductor Manufacturing |
| Vacuum Pumps and Turbochargers | High-End Automotive Engineering |
| Micro-Machining Tool Holders | General Engineering |
Technical FAQ & Operational Guide
What is the difference between H7000C and H7001C bearings?
The H7001C has a slightly larger footprint (12mm bore vs 10mm) and offers a higher basic dynamic load rating (3.8 KN vs 3.4 KN) while maintaining ultra-high speed capabilities.
Does this bearing come pre-lubricated?
Yes, it is typically factory-supplied with high-speed grease optimized for the 96,000 RPM limiting speed.
How do 2RZ seals help in high-speed applications?
2RZ are non-contact seals. They provide excellent protection against dust and contaminants without adding friction, allowing the bearing to reach maximum RPM without overheating.
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